Exhibit C - Semi-Annual Preventive Maintenance.pdf
PDF 154 KB Posted
- Attached to
- UPS Maintenance Services, Rome, Italy
- Solicitation number
- 191T7025Q0009
- Issued by
-
Department of State
About this file
This document is a Preventive Maintenance Checklist for an Uninterruptible Power System (UPS) with the asset code UP01SA, designed for semi-annual maintenance. The checklist provides detailed procedures for a certified UPS technician to perform comprehensive maintenance, emphasizing critical safety protocols due to potential electrical and chemical hazards.
The maintenance procedures include a thorough inspection process covering multiple aspects such as verifying equipment condition, performing battery maintenance, checking electrical components, testing alarms, calibrating systems, and ensuring proper operational parameters. Key requirements include maintaining battery systems at 72°-77°F, checking for overheating, torquing connections to manufacturer specifications, performing online checks, testing all UPS alarms, and restoring the UPS to its online condition. The technician must document all findings, including input/output voltage, amperage, frequency readings, and individual battery voltage readings, and report any significant discrepancies to the Contracting Officer's Representative (COR) and Facility Manager.
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Other files
| File | Type | Posted |
|---|---|---|
| Exhibit D - Annual Preventive Maintenance.pdf | ||
| Exhibit A - Comprehensive Maintenance Plan.pdf | ||
| RFQ - 191T7025Q0009.docx | DOCX document | |
| SF-1442 - 191T7025Q0009.docx | DOCX document | |
| Cover Letter - 191T7025Q0009.pdf | ||
| Exhibit B - Pricing Schedule.xlsx | XLSX spreadsheet |
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Text version
Preventive Maintenance Checklist:
Asset Type: UPS - Building
Description: UNINTERRUPTIBLE POWER SYSTEM
Frequency: Semi-Annual 1Estimated Time (hours):UP01SACode:
(T)ools, (S)afety Equipment and (M)aterials
Digital multi-meter1
AC/DC clamp-on Amp meter2
Rubber gloves and rubber mat (for taking battery readings)3
Safety Guidelines
A certified UPS technician should perform UPS maintenance.1
Insure that approved type fire extinguishers are readily available for use in case of emergency.2
Allow no open flames or smoking in the area.3
Review manufacturer's recommended maintenance procedures.4
Follow site safety procedures and your supervisor's instructions.5
Record and report to your supervisor any equipment damage or deficiencies found while performing this task.
Record all test results and findings in component maintenance log.7
All tests shall conform to the manufacturer's test procedures and standard values.8
SAFETY NOTE: Lethal voltage is present from several sources to and in the UPS unit. There are risks of electrical shock, electrical arcing, and electrical and chemical burns. Electrical energy is stored in the UPS batteries and in the capacitors. The batteries contain corrosive chemicals and a potentially explosive mixture of hydrogen and oxygen gases. Use extreme caution and follow all manufacturer's recommended safety procedures.
Maintenance Procedures
*** GENERAL INSPECTION
Cleaning filters replace if necessary.
Inspect surroundings area. Insure there is no flammable or hazardous material on or near the UPS equipment.
Ensure that the UPS equipment is ventilated and/or cooled.
Observe unit operation for excessive noise or vibration. Insure internal exhaust fans are operational.
Monitor alarm status. Record and investigate any alarms.
Monitor and record in log book input/output voltage and current.
Perform visual inspection of batteries, terminals and connections. Record battery (cell) voltage readings in equipment log book.
*** GENERAL INSPECTION (SEMI-ANNUAL)
Coordinate site visit service dates with the embassy COR or Facility Manager. Pre-arrange a switch over to maintenance bypass, or static bypass.
Check with operating or area personnel for any obvious deficiencies.
Inspect surrounding area. Insure there is no flammable or hazardous material on or near the UPS equipment.
Perform Lock-out/Tag-out the UPS input power and verify a de-energized and safe working condition prior to accessing internal UPS components.
Ensure that the UPS equipment is ventilated, and/or cooled. Ensure the air intakes are not blocked.
Maintain the unit is free from dust and any moisture.
PM Checklist Page 1 of 2Printed Tuesday, January 21, 2025 UP01SA
Preventive Maintenance Checklist:
Asset Type: UPS - Building
Description: UNINTERRUPTIBLE POWER SYSTEM
Frequency: Semi-Annual 1Estimated Time (hours):UP01SACode:
Observe unit operation for excessive noise or vibration. Ensure internal exhaust fans are operational.
Verify all cooling fans spin freely.
Perform battery maintenance. This shall include cell voltage readings and an overview inspection of the battery strings condition. Check all battery connections for the proper torque and ensure they are free of corrosion. Check batteries for cracks or leaks. Correct any noticeable discrepancy if found, such as a corroded connection or a loose wire. Any major discrepancy noted shall be brought to the immediate attention of the COR and the Facility Manager.
Ensure battery systems are maintained at 72°-77°F to meet design specifications.
Clean or replace air filters.
Check if components, wiring and connections exhibit evidence of overheating. Particular attention should be given to bolted connections
Torque connections to manufacturer’s specifications.
Perform online checks while the load remains on maintenance bypass
Perform all function tests and calibrate unit.
Check all meter parameters, settings, and logic.
Check the settings of the electronic regulation, the control and the alarm circuits of the Rectifier(s) and Inverter(s).
Check the Thyristors, Diodes, Transformers, e.g. to ensure that they are operating within the specified design parameters
Test all UPS alarms and remote alarm panels.
Check the calibration of DC voltage and Inverter Output Voltage and Frequency.
Review and perform any manufacture specific Operations and Maintenance requirements for this model and brand UPS.
Restore the UPS to its online condition with output breaker closed and supporting the critical load.
Check and verify system output voltage adjustments.
If any discrepancies remain, which prohibit the unit from supporting the load, notify the COR and the post Facility Manager of these discrepancies and the unit’s bypass condition immediately. Provide a list of equipment, BOM, and repair price quote to be handled under a separate procurement action.
Provide a narrative summary of all findings, and conditions. Include all input and output voltage, amperage, and frequency readings. Provide individual battery voltage. readings.
PM Checklist Page 2 of 2Printed Tuesday, January 21, 2025 UP01SA
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